71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 11:49

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General

Target

71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exe
Size

2.1MB
MD5

54413ea3aeea72a4068780be6050c057
SHA1

fdd09a841c9463d2b8256f9b75a6d98a3c3ca358
SHA256

71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed
SHA512

b2b262da12698695fb1103230a876da8d091150aee20e8d7434fe28cdb453689d066ae0ba8e1e00e3b82b3eb5bbe8dc23cfd0d0ce6457bb6e848ff5a692aa0ec
SSDEEP

49152:h1Os4l9RJLu6vcW6hGkaVR7QSiN/tObJmZcqYUuRTk:h1OnrVOhGRkSixtKDi

Score

8^/10

adware discovery spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

UYjzHNyS0ZeOUB4.exe

pid process

2204 UYjzHNyS0ZeOUB4.exe
Loads dropped DLL 3 IoCs

Processes:

UYjzHNyS0ZeOUB4.exeregsvr32.exeregsvr32.exe

pid process

2204 UYjzHNyS0ZeOUB4.exe
5052 regsvr32.exe
4976 regsvr32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

pid	process
2204	UYjzHNyS0ZeOUB4.exe

pid	process
2204	UYjzHNyS0ZeOUB4.exe
5052	regsvr32.exe
4976	regsvr32.exe

Drops Chrome extension 5 IoCs

Processes:

UYjzHNyS0ZeOUB4.exe

description	ioc	process
File created	C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\fkpjcdihflagapnmhjbmfmhbkoloehnp\2.0\manifest.json	UYjzHNyS0ZeOUB4.exe
File created	C:\Users\WDAGUtilityAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fkpjcdihflagapnmhjbmfmhbkoloehnp\2.0\manifest.json	UYjzHNyS0ZeOUB4.exe
File created	C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\fkpjcdihflagapnmhjbmfmhbkoloehnp\2.0\manifest.json	UYjzHNyS0ZeOUB4.exe
File created	C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\fkpjcdihflagapnmhjbmfmhbkoloehnp\2.0\manifest.json	UYjzHNyS0ZeOUB4.exe
File created	C:\Users\DefaultAccount\AppData\Local\Google\Chrome\User Data\Default\Extensions\fkpjcdihflagapnmhjbmfmhbkoloehnp\2.0\manifest.json	UYjzHNyS0ZeOUB4.exe

Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

Processes:

regsvr32.exeUYjzHNyS0ZeOUB4.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{31D09BA0-12F5-4CCE-BE8A-2923E76605DA}	UYjzHNyS0ZeOUB4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	UYjzHNyS0ZeOUB4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{DBC80044-A445-435B-BC74-9C25C1C588A9}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{1FD49718-1D00-4B19-AF5F-070AF6D5D54C}	UYjzHNyS0ZeOUB4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\	UYjzHNyS0ZeOUB4.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\EXPLORER\BROWSER HELPER OBJECTS\{761497BB-D6F0-462C-B6EB-D4DAF1D92D43}	regsvr32.exe

Drops file in Program Files directory 8 IoCs

Processes:

UYjzHNyS0ZeOUB4.exe

description	ioc	process
File created	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.dll	UYjzHNyS0ZeOUB4.exe
File opened for modification	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.dll	UYjzHNyS0ZeOUB4.exe
File created	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.tlb	UYjzHNyS0ZeOUB4.exe
File opened for modification	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.tlb	UYjzHNyS0ZeOUB4.exe
File created	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.dat	UYjzHNyS0ZeOUB4.exe
File opened for modification	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.dat	UYjzHNyS0ZeOUB4.exe
File created	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll	UYjzHNyS0ZeOUB4.exe
File opened for modification	C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll	UYjzHNyS0ZeOUB4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

UYjzHNyS0ZeOUB4.exe

pid process

2204 UYjzHNyS0ZeOUB4.exe
2204 UYjzHNyS0ZeOUB4.exe

pid	process
2204	UYjzHNyS0ZeOUB4.exe
2204	UYjzHNyS0ZeOUB4.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exeUYjzHNyS0ZeOUB4.exeregsvr32.exe

description	pid	process	target process
PID 3612 wrote to memory of 2204	3612	71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exe	UYjzHNyS0ZeOUB4.exe
PID 3612 wrote to memory of 2204	3612	71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exe	UYjzHNyS0ZeOUB4.exe
PID 3612 wrote to memory of 2204	3612	71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exe	UYjzHNyS0ZeOUB4.exe
PID 2204 wrote to memory of 5052	2204	UYjzHNyS0ZeOUB4.exe	regsvr32.exe
PID 2204 wrote to memory of 5052	2204	UYjzHNyS0ZeOUB4.exe	regsvr32.exe
PID 2204 wrote to memory of 5052	2204	UYjzHNyS0ZeOUB4.exe	regsvr32.exe
PID 5052 wrote to memory of 4976	5052	regsvr32.exe	regsvr32.exe
PID 5052 wrote to memory of 4976	5052	regsvr32.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exe
"C:\Users\Admin\AppData\Local\Temp\71b9632fc3a60654a92365e17a2db16600d9a5e61c37beadc7fc2841051154ed.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3612

C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\UYjzHNyS0ZeOUB4.exe
.\UYjzHNyS0ZeOUB4.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops Chrome extension
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\regsvr32.exe
regsvr32.exe /s "C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll"
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:5052

C:\Windows\system32\regsvr32.exe
/s "C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll"
4⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
PID:4976

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.dat

Filesize
6KB

MD5
6524bfd35d7889f751b1432068fff884

SHA1
d2dad1575091b6b7a4d142e0e75ae79694405ff9

SHA256
c3fb7a0613639eb208934baa1a3badf91ac9bbe7611ac96cbcafd7aedcf219ea

SHA512
d237eb2f968518e9260790ea9243d8eeac57877e83a0cdb03af13abcb0b30883ab9d056a23aab02f6d05bef3cd2e59cf4fcd80ca6120c40a7a5adf87d3293b81

Download Submit
C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.dll

Filesize
621KB

MD5
021d6ecac6ffca37cd098212eb99c22e

SHA1
e662d4f6bcee66df291ee638349bd75d5468e834

SHA256
f9f805536f4f45348b36aa4d60ed1b9869c5fe36acea58c25064dbcdb1a0ee50

SHA512
8fd459ead2ab976a17588f1e5e6c39ffab032d98a1903c1f70ae89dc273eca0a49662f582b6da9e394298ed4f11b7abad50bb51229f77ff2c95502672359572f

Download Submit
C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Program Files (x86)\GoSave\ugmbMdEOhIUeVX.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\[email protected]\bootstrap.js

Filesize
2KB

MD5
df13f711e20e9c80171846d4f2f7ae06

SHA1
56d29cda58427efe0e21d3880d39eb1b0ef60bee

SHA256
6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

SHA512
6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\[email protected]\chrome.manifest

Filesize
35B

MD5
a977213dced98e03a11cce0c6638e75f

SHA1
bf9639c12a7d343ffd28179a69baa0638f6c8c2f

SHA256
50d7fddf5cf74d5beddfcd5c188210a25f2ce57ad6e79961458bde42909c3bf9

SHA512
f02afe50014eb44635e6c9cb76ce85fb0251cd4c52472625abb3867aabf47bd011ce247a0fdbf487ebedeae00ff7184ac79b8e3fe74a50a75a4b2f1898259ee2

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\[email protected]\content\bg.js

Filesize
7KB

MD5
8d9aad045d4fedf01013c0cd9b5c44e7

SHA1
a9d9df63fcb7abee5157c66db033594a4c84114b

SHA256
5bcb0d529fd6387146af00f2fc6084799ae7887b6263317f7f63e27657b648cd

SHA512
491ebd12e3afb6885076c47acc342b0ba03ee2da9d117ec048b33eab46b7d7ca6c019c9895449276280c56b7e8cf8b3dd559586af11c96172dfc669f2376bfba

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\[email protected]\install.rdf

Filesize
596B

MD5
3531c79091d0c7c33d193d2bed2b649b

SHA1
aeda4d465f2aa6112e0dde99c40c59d2531db7fa

SHA256
222fffd62b67893883e8acb4928c6754024dbf35931af4a656a6e6e35d9365f2

SHA512
ad9a4e399d0967b5a2420e1e14cb5668d72189f605fd3373c3bb2bb426ac7d6fa3b92a5777655d395da1591b9b7d9c4a433a770977b448bb80f2793302415640

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\UYjzHNyS0ZeOUB4.dat

Filesize
6KB

MD5
6524bfd35d7889f751b1432068fff884

SHA1
d2dad1575091b6b7a4d142e0e75ae79694405ff9

SHA256
c3fb7a0613639eb208934baa1a3badf91ac9bbe7611ac96cbcafd7aedcf219ea

SHA512
d237eb2f968518e9260790ea9243d8eeac57877e83a0cdb03af13abcb0b30883ab9d056a23aab02f6d05bef3cd2e59cf4fcd80ca6120c40a7a5adf87d3293b81

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\UYjzHNyS0ZeOUB4.exe

Filesize
622KB

MD5
80fb7c6cb182b769448bd45c28fcc963

SHA1
454ad8e9ee2267c72222e7f8a902b2c19cfab01d

SHA256
9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

SHA512
224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\UYjzHNyS0ZeOUB4.exe

Filesize
622KB

MD5
80fb7c6cb182b769448bd45c28fcc963

SHA1
454ad8e9ee2267c72222e7f8a902b2c19cfab01d

SHA256
9abc0a4bba0b42851bed08efb7c1643105b9f256e8ac53ae21d8d7269f9948b3

SHA512
224e8954fcb850ab2570005aa9ba82e643a65e0efaba70ac29b045ec9aba9d11414a211c7e87a8ba96eba1bd872d7541bc0d32890a87b20c814d573cfcfb0f14

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\fkpjcdihflagapnmhjbmfmhbkoloehnp\background.html

Filesize
141B

MD5
58c104b49f7faf54cd3a013ae221fce6

SHA1
c5bd0eaa9c1414ca592ad52e88cba975f1ee73b8

SHA256
1c352785044692bc6c21b497b9c143374382b6edaee9ce6ec981ff101efd1bb8

SHA512
880751472b87841d101c4e2f8a26809e031baa81eacc0bb740581680e9d8ac09b97cef4a13dfde7399204c9d6fe4e7aad26977ab7d73659c7d9aee10d660cfab

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\fkpjcdihflagapnmhjbmfmhbkoloehnp\content.js

Filesize
144B

MD5
fca19198fd8af21016a8b1dec7980002

SHA1
fd01a47d14004e17a625efe66cc46a06c786cf40

SHA256
332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

SHA512
60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\fkpjcdihflagapnmhjbmfmhbkoloehnp\lsdb.js

Filesize
531B

MD5
36d98318ab2b3b2585a30984db328afb

SHA1
f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

SHA256
ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

SHA512
6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\fkpjcdihflagapnmhjbmfmhbkoloehnp\manifest.json

Filesize
498B

MD5
640199ea4621e34510de919f6a54436f

SHA1
dc65dbfad02bd2688030bd56ca1cab85917a9937

SHA256
e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

SHA512
d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\fkpjcdihflagapnmhjbmfmhbkoloehnp\ro89.js

Filesize
5KB

MD5
b43a42f17199103864064c4d8f11d35a

SHA1
fdfd2604f3984b6118d2ce0c72cf83bed2cfa822

SHA256
594fc56ab3793cad2da482e0e13cd4d5cdb346021bd246edd67ab5084273df75

SHA512
7c335bd8590112254a97d810aedd545cfb37d6624f4b09478df641f26ca7778aa6b21cae1d0d826f43e7a8802a65114e67a30cd76ce113da1ea6be438f3824b1

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\ugmbMdEOhIUeVX.dll

Filesize
621KB

MD5
021d6ecac6ffca37cd098212eb99c22e

SHA1
e662d4f6bcee66df291ee638349bd75d5468e834

SHA256
f9f805536f4f45348b36aa4d60ed1b9869c5fe36acea58c25064dbcdb1a0ee50

SHA512
8fd459ead2ab976a17588f1e5e6c39ffab032d98a1903c1f70ae89dc273eca0a49662f582b6da9e394298ed4f11b7abad50bb51229f77ff2c95502672359572f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\ugmbMdEOhIUeVX.tlb

Filesize
3KB

MD5
38dcedc06ce882652b73038799f369c1

SHA1
09985c74e62920963791808be0765222d2a517d3

SHA256
37996a9f383f824002a73026332578b823bacad0a736f2f4c25401f6e2da307c

SHA512
78b7ab8fc102a0f874d24bb40e7b399befe3eb8788c08b059487770dd83a390daf0011c34d6cd29dd78e3436bfd6587fff2f50bde0c3bed49e6ffe27ef0b4c16

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS6B13.tmp\ugmbMdEOhIUeVX.x64.dll

Filesize
699KB

MD5
ab6775c5bb7ec35da3edb40a512efc67

SHA1
62d695981e4e91137a52311eda763ab69aa28739

SHA256
329366453e9690aa8bc34a4d2cec6f90e2b0ddac7608fdfa2a59b950e099f48c

SHA512
07497f58eac44f9b626cf02e1d3043bf51779e7e7fe49878cdcf5888c93a1123043e9c5b813a1049922470ec2116d1d60fa66c770162ef778fc182a878b7ce8c

Download Submit
memory/2204-132-0x0000000000000000-mapping.dmp

Download
memory/4976-152-0x0000000000000000-mapping.dmp

Download
memory/5052-149-0x0000000000000000-mapping.dmp

Download